Multiple ChoiceA copper wire (density = 8.96 g/cm3) has a diameter of 0.32 mm. If a sample of this copper wire has a mass of 21.7 g, how long is the wire?2645views1rank1comments
Multiple ChoiceIf the density of a certain spherical atomic nucleus is 1.0 x 1014 g/cm3 and its mass is 3.5 x 10-23 g, what is the radius in angstroms? (Å= 10−10 m)926views3rank1comments
Multiple ChoiceThe two objects shown below have the same mass. Which has the largest density? 457views